1. Geologic maps of the southwestern Puerto Rico Parguera to Guánica insular shelf Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
2. Marine geologic map of the north insular shelf of Puerto Rico - Rio de Bayamon to Rio Grande de Loiza Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
3. Marine geologic map of the Puerto Rico insular shelf : Guánica to Ponce area Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading